This whisper quiet Desktop system is good value this week, take a look at the spec.
307-D08512 - £504 delivered
Intel® Pentium® D 915 Dual Core Processor (2.80GHz, 800MHz fsb, 2x2MB cache)
Genuine Windows® XP Professional SP2 (Does not include Operating System Re-installation CD); 512MB Dual Channel DDR2 533MHz [2x256] Memory; 160GB (7200rpm) Serial ATA Hard Drive with 8MB DataBurst cache; 48x/32x/48x/16x CDRW/DVD-ROM Combination Drive; 128MB ATI Radeon® X300 SE HyperMemory graphics card; Dell 19" Value Flat Panel (E196FP); Integrated Audio with Dolby Digital 7.1 capability; Dell USB Scroll Mouse; 90 days trial of Network Assistant included
Reduce the warranty to minimum and Buy via Quidco for further savings. Dell are asking £41 for the dvdrw to go with this system so its best to buy it as is and add quite simply your choice of burner.